Texas Instruments
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ADS1292IPBSR
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ADS1292IPBSR

Product Overview

Category: Integrated Circuits (ICs)

Use: ADS1292IPBSR is a low-power, 24-bit analog-to-digital converter (ADC) designed for biomedical applications. It is specifically used for measuring bioelectric signals such as electrocardiogram (ECG) and electromyogram (EMG).

Characteristics: - Low power consumption - High resolution (24-bit) - Built-in digital filters for noise reduction - Supports simultaneous sampling of multiple channels - On-chip lead-off detection capability

Package: ADS1292IPBSR is available in a small 32-pin TQFP package.

Essence: The essence of ADS1292IPBSR lies in its ability to accurately convert weak bioelectric signals into digital data, enabling precise analysis and monitoring of physiological conditions.

Packaging/Quantity: ADS1292IPBSR is typically sold in reels containing 250 units.

Specifications

  • Resolution: 24 bits
  • Input Voltage Range: ±320 mV
  • Sampling Rate: Up to 32 kSPS (samples per second)
  • Power Supply: 2.7 V to 5.25 V
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The pin configuration of ADS1292IPBSR is as follows:

  1. AVDD: Analog power supply
  2. DVDD: Digital power supply
  3. CLK: Clock input
  4. CS: Chip select input
  5. DRDY: Data ready output
  6. RESET: Reset input
  7. START: Start conversion input
  8. PACE: Pace control input
  9. TEST: Test mode input
  10. REF: Reference voltage input
  11. VCM: Common-mode voltage reference
  12. AINN: Negative analog input
  13. AINP: Positive analog input
  14. LOFFP: Lead-off detection positive input
  15. LOFFN: Lead-off detection negative input
  16. GPIO1: General-purpose input/output 1
  17. GPIO2: General-purpose input/output 2
  18. GPIO3: General-purpose input/output 3
  19. GPIO4: General-purpose input/output 4
  20. VREFP: Positive reference voltage input
  21. VREFN: Negative reference voltage input
  22. CLKOUT: Clock output
  23. MISO: SPI data output
  24. MOSI: SPI data input
  25. SCLK: SPI clock input
  26. DRDYB: Data ready output (buffered)
  27. DVDD: Digital power supply
  28. AVDD: Analog power supply
  29. NC: No connection
  30. NC: No connection
  31. NC: No connection
  32. GND: Ground

Functional Features

  • High-resolution ADC for accurate bioelectric signal measurement
  • Low-power design for extended battery life in portable devices
  • Built-in digital filters to reduce noise and improve signal quality
  • Simultaneous sampling of multiple channels for multi-lead ECG measurements
  • On-chip lead-off detection capability to detect electrode detachment or poor contact

Advantages and Disadvantages

Advantages: - High resolution enables precise measurement of bioelectric signals - Low power consumption extends battery life in portable devices - Integrated digital filters improve signal quality - Simultaneous sampling of multiple channels allows for comprehensive analysis - Lead-off detection enhances reliability of measurements

Disadvantages: - Limited input voltage range may restrict certain applications - Higher cost compared to lower-resolution ADCs - Requires external components for complete system integration

Working Principles

ADS1292IPBSR works by converting analog bioelectric signals into digital data using a 24-bit ADC. The device employs a sigma-delta modulation technique to achieve high resolution and noise reduction. It incorporates digital filters to further enhance signal quality. The lead-off detection feature helps identify electrode detachment or poor contact, ensuring accurate measurements.

Detailed Application Field Plans

ADS1292IPBSR finds applications in various biomedical fields, including: - Electrocardiography (ECG) - Electromyography (EMG) - Sleep monitoring - Stress analysis - Fitness tracking - Remote patient monitoring

Alternative Models

Some alternative models that offer similar functionality to ADS1292IPBSR are: - ADS1291IPBSR: Single-channel version of ADS1292IPBSR - ADS1293IPBSR: Three-channel version of ADS1292IPBSR - ADS1294IPBSR: Four-channel version of ADS1292IPBSR

These alternative models provide options for different channel requirements while maintaining the core features of ADS1292IPBSR.

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10 domande e risposte comuni relative all'applicazione di ADS1292IPBSR nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of ADS1292IPBSR in technical solutions:

  1. Q: What is ADS1292IPBSR? A: ADS1292IPBSR is a highly integrated, low-power, 24-bit analog-to-digital converter (ADC) specifically designed for bio-potential measurements.

  2. Q: What are the key features of ADS1292IPBSR? A: Some key features include simultaneous sampling of eight channels, built-in lead-off detection, low power consumption, and high resolution.

  3. Q: What are the typical applications of ADS1292IPBSR? A: ADS1292IPBSR is commonly used in medical devices such as electrocardiograms (ECGs), electroencephalograms (EEGs), and electromyograms (EMGs).

  4. Q: How many channels can ADS1292IPBSR sample simultaneously? A: ADS1292IPBSR can sample up to eight channels simultaneously, making it suitable for multi-channel bio-potential measurements.

  5. Q: Does ADS1292IPBSR have built-in lead-off detection? A: Yes, ADS1292IPBSR has built-in lead-off detection, which helps detect if the electrodes are properly connected to the patient's body.

  6. Q: What is the power consumption of ADS1292IPBSR? A: ADS1292IPBSR has low power consumption, typically operating at around 0.5mW per channel.

  7. Q: Can ADS1292IPBSR interface with microcontrollers or other digital systems? A: Yes, ADS1292IPBSR has a serial peripheral interface (SPI) that allows it to interface with microcontrollers or other digital systems.

  8. Q: What is the resolution of ADS1292IPBSR? A: ADS1292IPBSR has a 24-bit resolution, providing high precision in bio-potential measurements.

  9. Q: Does ADS1292IPBSR have any built-in filters? A: Yes, ADS1292IPBSR has programmable digital filters that can be used to remove noise and unwanted frequencies from the acquired signals.

  10. Q: Is ADS1292IPBSR suitable for portable or wearable medical devices? A: Yes, ADS1292IPBSR's low power consumption and small form factor make it well-suited for portable or wearable medical devices.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.